/*
    BEEM is a videoconference application on the Android Platform.

    Copyright (C) 2009 by Frederic-Charles Barthelery,
                          Jean-Manuel Da Silva,
                          Nikita Kozlov,
                          Philippe Lago,
                          Jean Baptiste Vergely,
                          Vincent Veronis.

    This file is part of BEEM.

    BEEM is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    BEEM is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with BEEM.  If not, see <http://www.gnu.org/licenses/>.

    Please send bug reports with examples or suggestions to
    contact@beem-project.com or http://dev.beem-project.com/

    Epitech, hereby disclaims all copyright interest in the program "Beem"
    written by Frederic-Charles Barthelery,
               Jean-Manuel Da Silva,
               Nikita Kozlov,
               Philippe Lago,
               Jean Baptiste Vergely,
               Vincent Veronis.

    Nicolas Sadirac, November 26, 2009
    President of Epitech.

    Flavien Astraud, November 26, 2009
    Head of the EIP Laboratory.

 */
package com.beem.project.beem.ui;

import org.jivesoftware.smack.packet.Presence;
import org.jivesoftware.smack.packet.Presence.Type;

import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import android.widget.Toast;

import com.beem.project.beem.BeemService;
import com.beem.project.beem.R;
import com.beem.project.beem.service.PresenceAdapter;
import com.beem.project.beem.service.aidl.IXmppFacade;
import com.beem.project.beem.service.Contact;
import com.beem.project.beem.utils.BeemBroadcastReceiver;

/**
 * This activity is used to accept a subscription request.
 * 
 * @author nikita
 */
public class Subscription extends Activity {

	private static final Intent SERVICE_INTENT = new Intent();
	private static final String TAG = Subscription.class.getSimpleName();
	private IXmppFacade mService;
	private String mContact;
	private ServiceConnection mServConn = new BeemServiceConnection();
	private final BeemBroadcastReceiver mReceiver = new BeemBroadcastReceiver();
	private MyOnClickListener mClickListener = new MyOnClickListener();

	static {
		SERVICE_INTENT.setComponent(new ComponentName("com.beem.project.beem",
				"com.beem.project.beem.BeemService"));
	}

	/**
	 * Constructor.
	 */
	public Subscription() {
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onCreate(android.os.Bundle)
	 */
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.subscription);
		findViewById(R.id.SubscriptionAccept)
				.setOnClickListener(mClickListener);
		findViewById(R.id.SubscriptionRefuse)
				.setOnClickListener(mClickListener);
		Contact c = new Contact(getIntent().getData());
		mContact = c.getJID();
		TextView tv = (TextView) findViewById(R.id.SubscriptionText);
		String str = String.format(getString(R.string.SubscriptText), mContact);
		tv.setText(str);
		this.registerReceiver(mReceiver, new IntentFilter(
				BeemBroadcastReceiver.BEEM_CONNECTION_CLOSED));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onResume()
	 */
	@Override
	protected void onResume() {
		super.onResume();
		bindService(new Intent(this, BeemService.class), mServConn,
				BIND_AUTO_CREATE);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onPause()
	 */
	@Override
	protected void onPause() {
		super.onPause();
		unbindService(mServConn);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see android.app.Activity#onDestroy()
	 */
	@Override
	protected void onDestroy() {
		super.onDestroy();
		this.unregisterReceiver(mReceiver);
	}

	/**
	 * Send the presence stanza.
	 * 
	 * @param p
	 *            presence stanza
	 */
	private void sendPresence(Presence p) {
		PresenceAdapter preAdapt = new PresenceAdapter(p);
		try {
			mService.sendPresencePacket(preAdapt);
		} catch (RemoteException e) {
			Log.e(TAG, "Error while sending subscription response", e);
		}
	}

	/**
	 * Event simple click on buttons.
	 */
	private class MyOnClickListener implements OnClickListener {

		/**
		 * Constructor.
		 */
		public MyOnClickListener() {
		}

		// @Override
		public void onClick(View v) {
			Presence presence = null;
			switch (v.getId()) {
			case R.id.SubscriptionAccept:
				presence = new Presence(Type.subscribed);
				Toast.makeText(Subscription.this,
						getString(R.string.SubscriptAccept), Toast.LENGTH_SHORT)
						.show();
				break;
			case R.id.SubscriptionRefuse:
				presence = new Presence(Type.unsubscribed);
				Toast.makeText(Subscription.this,
						getString(R.string.SubscriptRefused),
						Toast.LENGTH_SHORT).show();
				break;
			default:
				Toast.makeText(Subscription.this,
						getString(R.string.SubscriptError), Toast.LENGTH_SHORT)
						.show();
			}
			if (presence != null) {
				presence.setTo(mContact);
				sendPresence(presence);
			}
			finish();
		}
	};

	/**
	 * The ServiceConnection used to connect to the Beem service.
	 */
	private class BeemServiceConnection implements ServiceConnection {

		/**
		 * Constructor.
		 */
		public BeemServiceConnection() {
		}

		// @Override
		public void onServiceConnected(ComponentName name, IBinder service) {
			mService = IXmppFacade.Stub.asInterface(service);
		}

		// @Override
		public void onServiceDisconnected(ComponentName name) {
			mService = null;
		}
	}
}
